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Provisions - Additional Information (Detail) - SEK (kr) kr in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of Provisions [line items] |  |  |
Non-current provisions | kr 3,511 | kr 4,927 |
Provisions | 11,715 | 11,706 | kr 11,588
Additional provisions, other provisions | 9,345 | 10,477 |
Restructuring [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 879 | 855 |
Provisions | kr 3,872 | 3,720 | 669
Description of expected timing of outflows, other provisions | 1 year |  |
Utilization of provisions | kr 4,200 | 2,900 |
Additional provisions, other provisions | 4,498 | 6,082 |
Customer Related Provision [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 112 | 1,873 |
Provisions | kr 1,760 | 2,857 | 3,093
Description of expected timing of outflows, other provisions | 1 year |  |
Additional provisions, other provisions | kr 686 | 481 |
Suppliers Related Provision [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 469 | 608 |
Provisions | kr 743 | 954 | 722
Description of expected timing of outflows, other provisions | 2 years |  |
Additional provisions, other provisions | kr 324 | 849 |
Warranty [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 206 | 251 |
Provisions | kr 766 | 956 | 678
Description of expected timing of outflows, other provisions | 1 year |  |
Additional provisions, other provisions | kr 389 | 831 |
Provision for Share Based Payments [member] |  |  |
Disclosure of Provisions [line items] |  |  |
Non-current provisions | 1,359 | 682 |
Provisions | kr 2,992 | 1,584 | kr 985
Description of expected timing of outflows, other provisions | 3 years |  |
Additional provisions, other provisions | kr 2,209 | kr 1,410 |

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- Definition Utilization Of Provisions. + References No definition available. + Details
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- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 84 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_84_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The description of the expected timing of outflows of economic benefits related to other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 85 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_85_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of non-current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
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